package ademo;

import java.util.ArrayList;
import java.util.List;
import java.util.Vector;
import java.util.stream.Collectors;
import java.util.stream.Stream;

/**
 * @author lenovo
 * @date 2022/9/28
 */
public class demo {
    public static void main(String[] args) {
//        Solution solution = new Solution();
//        System.out.println(solution.reversePairs(new int[]{8, 12, 16, 22, 100, 9, 26, 55, 64, 91}));
//
//        int[] solution = new int[]{8, 12, 16, 22, 100};
//        int[] ints2 = Arrays.copyOf(solution, solution.length);
//        ints2[2]=3;
//        int[][] arg = new int[][]{
//                {0, 0, 0, 0},
//                {0, 0, 0, 0},
//                {0, 0, 0, 0}
//        };
//
//        int[][] ints = Arrays.copyOf(arg, arg.length);
//
//        ints[0][0] = 1;
//        System.out.println();

        ArrayList<ArrayList<Integer>> a = new ArrayList<>();

        User user = new User();
        String[] ss = new String[12];
//        List<String> us = Stream.of(ss).map(user::getUsername).collect(Collectors.toList());


    }
}
